Home / 90,965.52-125,536.28-50,679.25

Finding the Fourth Proportional to 90,965.52, 125,536.28 and 50,679.25

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Solution

The fourth proportional to 90,965.52, 125,536.28 and 50,679.25 is: 69,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,965.52 : 125,536.28 = 50,679.25 : x
  2. Step 2: Convert to fraction form
    90,965.52/125,536.28 = 50,679.25/x
  3. Step 3: Cross multiply
    90,965.52x = 125,536.28 × 50,679.25
  4. Step 4: Simplify right side
    90,965.52x = 6,362,083,950.95
  5. Step 5: Solve for x
    x = 6,362,083,950.95/90,965.52
  6. Step 6: Final answer
    x = 69,939.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.